@media screen and (max-width: 767px) {
  .container {
    width: 100%;
  }
}
@media screen and (min-width: 768px) {
  .container {
    width: 850px;
  }
}
@media screen and (min-width: 992px) {
  .container {
    width: 970px;
  }
}
@media screen and (min-width: 1200px) {
  .container {
    width: 1170px;
  }
}
.big {
  background-color: #eee;
}
.wz {
  padding: 2%;
  text-align: center;
}
.caption {
  text-align: center;
}
.wzq {
  color: #a19f03;
}
